Gui: Replace startAnimation() with inherited start()

src/Gui/NavigationAnimation.cpp

@@ -31,11 +31,6 @@ NavigationAnimation::NavigationAnimation(NavigationStyle* navigation)
     : navigation(navigation)
 {}
 
-void NavigationAnimation::startAnimation(QAbstractAnimation::DeletionPolicy policy)
-{
-    QAbstractAnimation::start(policy);
-}
-
 void NavigationAnimation::updateCurrentValue(const QVariant& value)
 {
     if (state() == QAbstractAnimation::State::Stopped) {

src/Gui/NavigationAnimation.h

@@ -45,7 +45,6 @@ protected:
     virtual void stopAnimation();
 
 private:
-    void startAnimation(QAbstractAnimation::DeletionPolicy policy = KeepWhenStopped);
     void updateCurrentValue(const QVariant& value) override;
 
     friend class NavigationAnimator;

src/Gui/NavigationAnimator.cpp

@@ -49,7 +49,7 @@ void NavigationAnimator::start(const std::shared_ptr<NavigationAnimation>& anima
     activeAnimation->initialize();
 
     connect(activeAnimation.get(), &NavigationAnimation::finished, this, &NavigationAnimator::reset);
-    activeAnimation->startAnimation();
+    activeAnimation->start();
 }
 
 /**